package com.itheima.xixi.controller;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.xixi.Dto.DishDto;
import com.itheima.xixi.Service.CategoryService;
import com.itheima.xixi.Service.DishFlavorService;
import com.itheima.xixi.Service.DishService;
import com.itheima.xixi.common.R;
import com.itheima.xixi.entity.Category;
import com.itheima.xixi.entity.Dish;
import com.itheima.xixi.entity.DishFlavor;
import com.itheima.xixi.entity.Employee;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.List;
import java.util.stream.Collectors;

//菜品管理
@Slf4j
@RequestMapping("/dish")
@RestController
public class DishController {
    @Autowired
    private DishService dishService;

    @Autowired
    private CategoryService categoryService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        Page<Dish> pageInfo = new Page<>(page, pageSize);
        Page<DishDto> dishDtoPage = new Page<>();

        //条件构造
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(name != null, Dish::getName, name);
        //添加排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);

        //执行分页
        dishService.page(pageInfo, queryWrapper);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dishDtoPage, "records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto> list = records.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item, dishDto);
            Long categoryId = item.getCategoryId();//分类id
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());

        dishDtoPage.setRecords(list);

        return R.success(dishDtoPage);
    }

    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());

        dishService.seveWithFlavor(dishDto);

        return R.success("新增菜品成功！");
    }

    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids) {
       log.info("ids:{}",ids);
        R<String> r = dishService.removeWithFlavor(ids);
        return r;
    }

    //根据id查询菜品信息和对应的口味信息
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id) {

        DishDto dishDto = dishService.getByIdWithFlavor(id);

        return R.success(dishDto);
    }

    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto) {
        log.info(dishDto.toString());

        dishService.updateWithFlavor(dishDto);

        return R.success("修改菜品成功！");
    }
    //停售启售商品
    @PostMapping("/status/{st}")
    public R<String> status(@PathVariable Integer st,@RequestParam List<Long> ids){
        R<String> r = dishService.statusWithFlavor(st, ids);
        return r;
    }
    //查询对应的菜品数据
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        //构造查询对象
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper();
        queryWrapper.eq(dish.getCategoryId()!=null , Dish::getCategoryId,dish.getCategoryId());
        queryWrapper.eq(Dish::getStatus,1);
        //添加排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);
        List<Dish> list = dishService.list(queryWrapper);

        List<DishDto> dishDtos = list.stream().map((item) -> {
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item, dishDto);
            Long categoryId = item.getCategoryId();//分类id
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            //当前菜品id
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> queryWrapper1 = new LambdaQueryWrapper<>();
            queryWrapper1.eq(DishFlavor::getDishId,dishId);
            List<DishFlavor> dishFlavors = dishFlavorService.list(queryWrapper1);
            dishDto.setFlavors(dishFlavors);
            return dishDto;
        }).collect(Collectors.toList());

        return R.success(dishDtos);
    }
}
